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Restructuring and Employee Severance Narative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Restructuring Cost and Reserve [Line Items]        
Restructuring Costs     $ 67  
Employee-related costs $ (15) $ 29 47 $ 70
Facility Exit and Other Costs $ 9 $ 24 $ 33 $ 27